Home / 1,195,400.97-1,649,653.95-679,155.76

Finding the Fourth Proportional to 1,195,400.97, 1,649,653.95 and 679,155.76

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Solution

The fourth proportional to 1,195,400.97, 1,649,653.95 and 679,155.76 is: 937,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,400.97 : 1,649,653.95 = 679,155.76 : x
  2. Step 2: Convert to fraction form
    1,195,400.97/1,649,653.95 = 679,155.76/x
  3. Step 3: Cross multiply
    1,195,400.97x = 1,649,653.95 × 679,155.76
  4. Step 4: Simplify right side
    1,195,400.97x = 1,120,371,973,658.60
  5. Step 5: Solve for x
    x = 1,120,371,973,658.60/1,195,400.97
  6. Step 6: Final answer
    x = 937,235.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.